To Prepare Flight Muscles for Use on a Cool Morning

question 38

Multiple Choice

To prepare flight muscles for use on a cool morning, hawkmoths ________.

• A) relax the muscles completely until after they launch themselves into the air
• B) decrease their standard metabolic rate
• C) rapidly contract and relax these muscles to generate metabolic warmth
• D) reduce the metabolic rate of the muscles to rest them before flight

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Definitions:

Margin of Safety

The difference between actual sales and the break-even point, indicating how much sales can fall before a business incurs a loss.

Dollars

The currency unit of the United States, often used to represent money or economic transactions.

Break-Even Point

The point at which total cost and total revenue are equal, resulting in no net loss or gain for the business.

Variable Costs

Expenses that vary in relation to the amount of products or services a company generates.